Perhaps you should try some spelling variations:
tinh hoa » trinh hoa, tinh hoc, minh hoa
su sach » so sach
vu sach » vu bach, vu khach
xang xa » lang xa, ang xa, dang xay
mang xa » lang xa, mang may, dang xay
hieu va » lieu va, hieu qua
va tinh » may tinh
hoa cua » hoa chat, hoa xuat
va cam » va cham, va cac, va cao
xuc va » duc va, tuc va, luc va

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: ((su sach) OR (vu sach)) y ((xang xa) or (mang xa)) hoi. hieu va cam xuc va tinh hoa cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((su sach) OR (vu sach)) y ((xang xa) OR (mang xa)) hoi. hieu va cam xuc va tinh hoa cua vat.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) OR (vu sach)) y ((xang xa) or (mang xa)) hoi. hieu va cam xuc va tinh hoa cua vat".
• Adding a wildcard symbol may retrieve word variants: ((su sach) OR (vu sach)) y ((xang xa) or (mang xa)) hoi. hieu va cam xuc va tinh hoa cua vat*.